:root {
  --login-bg: #0b0f17;
  --login-surface: rgba(255, 255, 255, 0.06);
  --login-border: rgba(255, 255, 255, 0.12);
  --login-text: #eaf2ff;
  --login-muted: #a9b3c7;
  --login-primary: #6ea8ff;
  --login-primary2: #4d86ff;
  --radius: 20px;
  --glass: saturate(180%) blur(8px);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

.login-viewport {
  min-height: 100dvh;
  background: radial-gradient(1400px 900px at 70% -10%, #1a2240 0%, var(--login-bg) 55%) fixed;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-card {
  width: min(460px, 94vw);
  background: var(--login-surface);
  border: 1px solid var(--login-border);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow);
  text-align: center;
  backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
}

.protonox-image {
  width: 88px;
  height: 88px;
  object-fit: contain;
  margin: 4px auto 6px;
}

h1 {
  margin: 6px 0 14px;
  font-size: clamp(22px, 4.2vw, 28px);
  color: var(--login-text);
}

.form-row {
  margin: 10px 0;
}

input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--login-text);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.2);
  outline: none;
}

input::placeholder {
  color: var(--login-muted);
}

.btn-primary,
.btn-outline,
.btn-link,
.google-btn {
  width: 100%;
  margin-top: 10px;
  cursor: pointer;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  text-decoration: none;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(180deg, var(--login-primary) 0%, var(--login-primary2) 100%);
  border: none;
  color: #031129;
  font-weight: 700;
}

.btn-primary[aria-busy="true"] {
  opacity: .7;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: var(--login-text);
}

.btn-link {
  background: transparent;
  border: none;
  color: var(--login-primary);
}

.btn-link:hover {
  text-decoration: underline;
}

.google-btn {
  background: #fff;
  color: #1a1a1a;
  border: 1px solid #e6e6e6;
}

.google-btn .gicon {
  width: 20px;
  height: 20px;
}

.error-message {
  display: none;
  margin: 8px 0 2px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 120, 120, .12);
  border: 1px solid rgba(255, 120, 120, .45);
  color: #ffd3d3;
  text-align: left;
}

.actions {
  margin-top: 6px;
  display: grid;
  gap: 6px;
}

.divider {
  position: relative;
  margin: 12px 0 4px;
  color: var(--login-muted);
}

.divider:before,
.divider:after {
  content: "";
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.divider:before {
  left: 0;
}

.divider:after {
  right: 0;
}

.divider span {
  padding: 0 10px;
  background: transparent;
}